Fixed formats

src/analysis/Histogram.cpp

src/colvar/CoordinationBase.cpp

src/colvar/Dipole.cpp

src/core/ActionWithVirtualAtom.cpp

src/core/SetupMolInfo.cpp

src/generic/WholeMolecules.cpp

src/multicolvar/DumpMultiColvar.cpp

src/multicolvar/MultiColvar.cpp

src/secondarystructure/SecondaryStructureRMSD.cpp